Home / 5,490.22-7,573.08-3,995.80

Finding the Fourth Proportional to 5,490.22, 7,573.08 and 3,995.80

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Solution

The fourth proportional to 5,490.22, 7,573.08 and 3,995.80 is: 5,511.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,490.22 : 7,573.08 = 3,995.80 : x
  2. Step 2: Convert to fraction form
    5,490.22/7,573.08 = 3,995.80/x
  3. Step 3: Cross multiply
    5,490.22x = 7,573.08 × 3,995.80
  4. Step 4: Simplify right side
    5,490.22x = 30,260,513.06
  5. Step 5: Solve for x
    x = 30,260,513.06/5,490.22
  6. Step 6: Final answer
    x = 5,511.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.